Astro Conditions

Astro Conditions - Know when and where to stargaze.

The Essential Stargazing Companion Astro Conditions helps stargazers, amateur astronomers, and astrophotographers plan better nights under the stars with viewing conditions, moon data, fog risk, astronomy timing, and smart location recommendations.

Key Features:

Stargazing Weather

• Hourly cloud cover, visibility, humidity, wind, and temperature
• Fog risk based on humidity, dew point, visibility, low clouds, and wind
• Night Quality score from 0 to 100
• Early vs. late night condition trends
• 3-day forecast for planning ahead

Celestial Timing

• Sunrise, sunset, and twilight times
• Astronomical night start, end, and duration
• Moon phase, illumination, and altitude

Best Spot Search

• Discover nearby locations with better predicted conditions
• Compare ranked observing spots on a map
• Open the best spot in Apple Maps for navigation

Location Management

• Use current location, saved sites, city search, coordinates, or map picker
• Quickly switch locations when planning trips

Widgets & Apple Watch

• Home Screen widgets for quick night-condition checks
• Apple Watch app with glanceable observing conditions
• Watch complications for fast access from your watch face
• Sync locations and preferences between iPhone and Apple Watch

Optional ISS Tracking

• Add your own N2YO API key to see visible ISS passes
• View pass time, duration, and maximum elevation

Customizable & Private

• Choose metric or imperial units
• No account required
• No subscription required
• Saved locations stay on your device
• Powered by reliable weather data and local astronomical calculations

Whether you are using binoculars, setting up a telescope, planning astrophotography, or just hoping for a clear night, Astro Conditions helps you choose the right time and place to look up.